Frequently Asked Questions

How do I look up someone's zip code?

Answer:

You can look up the zip code for individuals and businesses in the United States and Puerto Rico in

1. The ZIP+4 Code Look-up

    http://zip4.usps.com/zip4/welcome.jsp

3. National five digit zip code and post office directory: http://umnlib.oit.umn.edu/F/E5RDDIDMS3VTVPUAB8BUSHVN29MC6BR37LD7UM4BNXV4...

 

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